I think that these crow's foot outlets were an early version of the modern 120V outlet with ground pin. Not 220V, though that's what you'll find in Australia when you see an outlet like this. (and you'll find 250V in the couple I have here in my house; I collect antique and vintage radios, some from Europe and Australia (which want 240V)) A problem with the crow foot pattern for grounded appliances is that it is not "backward compatable" with American 2 prong plugs. Modern 3 prong outlets are backward compatable; they accept 2 or 3 prong plugs.
Where do I find this stuff? Hamfests (ham radio fleamarkets), boxes of stuff from grandma's house, and such. The Northeast tends to have more of this stuff as we've been around since day one of electricity.
[This message has been edited by wa2ise (edited 06-01-2005).]
